:root {
  color-scheme: dark;
  --bg-dark: #07090e;
  --panel-bg: rgba(15, 20, 30, 0.85);
  --primary-accent: #3b82f6;
  --primary-hover: #2563eb;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --border-color: rgba(255, 255, 255, 0.12);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(circle at top, #1e293b 0%, #0f172a 45%, #020617 100%);
  color: var(--text-main);
}

/* Top Navigation Bar */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.db-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #eab308;
}

.db-status-badge.connected .status-dot {
  background: var(--success-color);
  box-shadow: 0 0 10px var(--success-color);
}

.db-status-badge.disconnected .status-dot {
  background: #f97316;
}

.user-profile-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.btn-logout {
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
}

/* Login Overlay & Card */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7),
              0 0 40px rgba(59, 130, 246, 0.15);
  animation: fadeInModal 0.3s ease-out;
}

@keyframes fadeInModal {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.logo-box {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 1px;
}

.login-header h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: #fff;
}

.login-subtitle {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: #e2e8f0;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.error-alert {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 8px;
  color: #fca5a5;
  font-size: 0.88rem;
  text-align: center;
}

.btn-login {
  padding: 14px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.demo-credentials {
  margin-top: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.demo-credentials code {
  color: #60a5fa;
  font-family: monospace;
}

/* Page & Dashboard Container */
.page-container {
  max-width: 1180px;
  margin: 32px auto;
  padding: 28px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--panel-bg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.header {
  display: grid;
  gap: 20px;
}

.brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  min-width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.company-info {
  flex: 1 1 440px;
  text-align: center;
}

.company-info h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
}

.company-info p {
  margin: 4px 0;
  font-size: 0.92rem;
  color: #cbd5e1;
}

.title-row {
  display: flex;
  justify-content: center;
}

.title-box {
  padding: 14px 28px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: rgba(30, 41, 59, 0.7);
}

.title-box h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.meta-item {
  flex: 1 1 280px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.meta-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: #60a5fa;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 4px 0;
  outline: none;
}

.meta-input:focus {
  border-bottom-color: var(--primary-accent);
}

/* Action Bar & Save Button */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.last-updated {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-save {
  padding: 10px 20px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-save:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.4);
}

/* Toast Alert */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  font-size: 0.92rem;
  animation: slideInToast 0.3s ease-out;
}

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Table Styling & Dropdowns */
.table-wrapper {
  margin-top: 20px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

thead th,
tbody td {
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  text-align: left;
}

thead th {
  background: rgba(15, 23, 42, 0.9);
  color: #f1f5f9;
  font-size: 0.92rem;
  text-transform: uppercase;
}

tbody tr {
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.15s;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.05);
}

.highlight td {
  background: rgba(16, 185, 129, 0.1);
  color: #a7f3d0;
}

select.quarter-select {
  width: 100%;
  padding: 6px 10px;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

select.quarter-select option {
  background: #0f172a;
  color: #fff;
}

.notes-row {
  margin-top: 24px;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
}

.note-box,
.note-text {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.5);
  font-size: 0.88rem;
}

@media (max-width: 900px) {
  .meta-row,
  .notes-row {
    grid-template-columns: 1fr;
  }
}